<?php

namespace common\models;

use Yii;
use yii\base\Model;
use yii\data\ActiveDataProvider;
use common\models\Banner;

/**
 * BannerSearch represents the model behind the search form about `common\models\Banner`.
 */
class BannerSearch extends Banner
{
    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['id', 'pid', 'width', 'height', 'click_count', 'enabled', 'orderby'], 'integer'],
            [['name', 'link', 'position_desc', 'img_url', 'creat_time', 'end_time','target'], 'safe'],
        ];
    }

    /**
     * @inheritdoc
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }

    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = Banner::find();

        // add conditions that should always apply here

        $dataProvider = new ActiveDataProvider([
            'query' => $query,
            //'sort'=> ['defaultOrder' => ['id'=>SORT_DESC]],
        ]);

        $this->load($params);

        if (!$this->validate()) {
            // uncomment the following line if you do not want to return any records when validation fails
            // $query->where('0=1');
            return $dataProvider;
        }

        // grid filtering conditions
        $query->andFilterWhere([
            'id' => $this->id,
            'pid' => $this->pid,
            'width' => $this->width,
            'height' => $this->height,
            'creat_time' => $this->creat_time,
            'end_time' => $this->end_time,
            'click_count' => $this->click_count,
            'enabled' => $this->enabled,
            'orderby' => $this->orderby,
        ]);

        $query->andFilterWhere(['like', 'name', $this->name])
            ->andFilterWhere(['like', 'link', $this->link])
            ->andFilterWhere(['like', 'position_desc', $this->position_desc])
            ->andFilterWhere(['like', 'img_url', $this->img_url])
            ->andFilterWhere(['like', 'target', $this->target]);

        return $dataProvider;
    }
}
